PABCO Interior Ceiling Board

Primary Uses

  • Interior,  non-fire rated residential ceilings applications
  • New or renovation projects with ceiling frame spacing not more that 24 inches on center
  • Finish with water-based texture and decorative finishes.

PABCO® INTERIOR CEILING board is a 1/2" thick gypsum panel designed for interior ceiling applications. PABCO® INTERIOR CEILING board  is manufactured with specific additives that add to its dimensional stability and significantly reduced the potential for ceiling sag,  When tested to the ASTM C 473 humidified deflection test,  PABCO® INTERIOR CEILING board exceeds the allowable deflection permitted for 5/8" thick panels.

Made in the USA

Core Thickness Width Length Edge Weight
1/2” (12.7 mm) 48” (1219 mm) 12’ (3658 mm)
14’ (4267 mm)    
Tapered or Rounded 1.5 lbs/ft2


Core: INTERIOR CEILING Gypsum Core, UL Core Type Regular
Paper: 100% recycled content paper on front, back and long edges


ASTM C1396, ASTM C1629, Federal Specification SS-L-30D Type III & Grade X


PABCO Gypsum Installation Instructions
Gypsum Association GA-214, GA-216

Humidified Deflection  ASTM C473:

≤5/16 inch (8mm)

Surface Burn ASTM E84:

Flame Spread 15
Smoke Developed 0

Combustibility ASTM E136:


See the Gypsum Association Fire and Acoustic Guide GA-600
Underwriters Laboratories, UL fire Resistance Directory

Sustainably manufactured in Las Vegas, NV, and Newark, CA.
LEED and sustainability information: